drm/amdgpu: add additional boco checks to runtime suspend/resume (v2)

BACO - Bus Active, Chip Off
BOCO - Bus Off, Chip Off

We will take slightly different paths for boco and baco.

v2: fold together two consecutive if clauses

Reviewed-by: Evan Quan <evan.quan@amd.com> (v1)
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>